Compositiqn of vmatter f



UNITED STATES PATENT OFFICE.

WILLIAM A. DAY, OF BELLINGHAM, WASHINGTON.

COMPOSITION OF MATTER FUR SOLDERING CAST-IRON, MILD STEEL. ALUMINUM; A D

THE LIKE.

No Drawing.

Tu all whom it "fulfil/(107111677111 Beit known Unit I, \VIL'LL-un A. DAY, :1 eitizen of the United States, and a resident of liellinghain, in the county of Vi'huteom 5 lllHl State of Wnsl'iin, ton, have. invented 1L.

eertiiin new and usefill Composition of Mutter for Soldering (inst-Iron, Mild Steel, Aluminum, and the like, of which the follou ingis ii specification.

10 My Composition consists of the. followinp, ingredients, combined in the proportions stated, viz:

Lead e 25 pounds Tin pounds Zinc e' 50 pounds 'llnit is, said. metals are eon'ibined in theproportion-of one partof le:id, 0ne part of tin and two parts of 0. These metals are .to be melted and thoroughly mingled while I lllllTl are also readily soldered with it. To

7 prepare the articles forsoldering with this alloy, the surfaces must he made clean and hright and then covered with stearic acid, or similar flux, when this solder applied I Specification of Letters l atent.

Patented Aug. 22, .3 9.16.

Application fin-i March 8, 1916. Serial No. 82,803.

with an extra hot soldering eopper will lie found to readily form an alloy with the surfaces to lie joined. \Vhen s('ilderin'g'zilulniiunn the surfaces should lie brightened with the fatty flux in place. No other. heat e- (paired than that furnished by the hot during copper.

I am zin'ure-tliat it is not new to [Hill-I solder from :in alloy of zine,-tin' and lezul, but 1 heheve it to be new to use these-Ynn-t:

in the proportions stated herein or in th ir neu r equivalent.

A somewhat difierent proportion of the several metals might he used successfully lllit i prefer substantially the proportions given. Iclnimr v I i The liereindeseril)ed composition of matter for soldering east iron, mild steel, aluminum land the like; consisting. of leud,.one part; tin, one part; und zine,- two parts, fused together to form gin alloy.

Signed at Bellinghnru in the count ,O'I Whuteon'i and State of \Vnslnngton this 2d day of Millcll A. l). 1916.

\YILL'IAM A. DAY

Witnesses: i

R. S. Sun-son, JOHN L. TnoiuAs. 

